Goodwill and Other Intangibles (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Other Intangible Assets
Acquired Finite-Lived Intangible Assets [Line Items]
Other intangible assets amortization	$ 2.1	$ 2.3
Estimated future amortization expense for the remainder of year	6.5
Estimated future amortization expense for year one	8.3
Estimated future amortization expense for year two	8.1
Estimated future amortization expense for year three	7.4
Estimated future amortization expense for year four	7.4
Computer Software
Acquired Finite-Lived Intangible Assets [Line Items]
Other intangible assets amortization	$ 162.9	$ 140.4